Growing community of inventors

Qinhuangdao, China

Fengyi Chang

Average Co-Inventor Count = 6.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 8

Fengyi ChangZhihua Zhu (1 patent)Fengyi ChangChanghai Li (1 patent)Fengyi ChangYongning Wang (1 patent)Fengyi ChangHongbiao Li (1 patent)Fengyi ChangLin Zhu (1 patent)Fengyi ChangFengyi Chang (1 patent)Zhihua ZhuZhihua Zhu (121 patents)Changhai LiChanghai Li (42 patents)Yongning WangYongning Wang (23 patents)Hongbiao LiHongbiao Li (13 patents)Lin ZhuLin Zhu (7 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Citic Dicastal Co., Ltd (1 from 539 patents)


1 patent:

1. 9707620 - Open-type side-mold water spot-cooling device, manufacturing method thereof and method for cooling a casting mold

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/20/2025
Loading…